Eosin Definition

ēə-sən
noun
A rose-colored dye, C20H8O5Br4, prepared by brominating fluorescein and used to color inks, fabrics, etc. and to stain tissues.
Webster's New World
Its sodium or potassium salt, used as a reddish dye and as a stain in microscopy.
Webster's New World
Any of various similar red dyes.
Webster's New World
Synonyms:
bromeosin

Other Word Forms of Eosin

Noun

Singular:
eosin
Plural:
eosins

Origin of Eosin

  • Greek ēōs dawn (from its color) aus- in Indo-European roots –in

    From American Heritage Dictionary of the English Language, 5th Edition

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